document.write( "Question 133388: two trains leave a station at the same time,heading in opposite directions.one train is traveling at 80km/h,the other at 90km/h.how long will it take for the trains to be 425km apart? \n" ); document.write( "
Algebra.Com's Answer #97654 by checkley71(8403)\"\" \"About 
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80X+90X=425
\n" ); document.write( "170X=425
\n" ); document.write( "X=425/170
\n" ); document.write( "X=2.5 HOURS THEY WILL BE 425 HOURS APART.
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